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Mill Valley weather in May (California, United States of America)

What can you expect from the weather in Mill Valley during May? Here's what the weather might have in store during this month.

In Mill Valley, May is characterized by pleasant temperatures and low rainfall. Daytime temperatures hover around 20°C, while nights can cool down to about 10°C.

Mill Valley in May usually receives low rainfall, averaging around 17 mm for the month. When we look at the climate data from the last 30 years, we can expect around 3 days of rain.

With around 324 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you favor pleasant temperatures and minimal rainfall, May is one of the better months to visit Mill Valley. May, June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Mill Valley climate page with graphs.

 

Mill Valley, monthly averages in May

Min TemperatureMin Temperature 10°C  
Max TemperatureMax Temperature 20°C  
Chance of RainChance of Rain 10%  
PrecipitationPrecipitation 17 mm  
Rainy daysRainy days 3 days  
HumidityHumidity 72% *  
SunshineSunshine 324 hours *  
Percentage SunshinePercentage Sunshine 73% *  
* Data from: San Francisco, the United States of America (35 KM, 21 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America in May and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Mill Valley in May?

For visitors traveling to Mill Valley, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Cycling
10/10
Walking
10/10
Camping
5/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Mill Valley.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.